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-rw-r--r--contrib/bmake/mk/dirdeps-options.mk5
1 files changed, 3 insertions, 2 deletions
diff --git a/contrib/bmake/mk/dirdeps-options.mk b/contrib/bmake/mk/dirdeps-options.mk
index 74f54a4cf665..4e907e66141e 100644
--- a/contrib/bmake/mk/dirdeps-options.mk
+++ b/contrib/bmake/mk/dirdeps-options.mk
@@ -1,4 +1,4 @@
-# $Id: dirdeps-options.mk,v 1.17 2020/08/07 01:57:38 sjg Exp $
+# $Id: dirdeps-options.mk,v 1.18 2020/12/22 18:10:34 sjg Exp $
#
# @(#) Copyright (c) 2018-2020, Simon J. Gerraty
#
@@ -59,7 +59,8 @@ DIRDEPS_OPTIONS_QUALIFIER_LIST ?= \
# note that we need to include $o in the variable _o$o
# to ensure correct evaluation.
.for o in ${DIRDEPS_OPTIONS}
-.undef _o$o _v$o
+.undef _o$o
+.undef _v$o
.for x in ${DIRDEPS_OPTIONS_QUALIFIER_LIST}
.if defined(MK_$o.$x)
_o$o ?= MK_$o.$x